Question

Please help MATH problem!!!!!!

Answer 1

The value of $\theta$ is 1°

Explanation:

The expression is $\cos \theta=0.75$

Now, we shall determine the value of $\theta$.

Multiplying both sides by $cos^{-1}$, we get,

$(cos^{-1})\cos \theta=(cos^{-1})0.75$

Simplifying, we get,

$\theta=cos^{-1}0.75$

Substituting the value of $\cos ^{-1} 0.75$, we get,

$\theta=0.7227$

Rounding the value of $\theta$ to the nearest degree, we get,

$\theta=1$

Hence, the value of $\theta$ is 1°